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The volume of a piece of metal is 22.4m3,and the mass is 675.3kg.what is the density in kg/m3

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Density is the mass/1m3.

We can set this up in a ratio.

675.3kg x
---------- = ---------
22.4m3 1 m3

Since most of us don't like fractions, let's multiply both sides by 22.4.

We get 675.3 = 22.4 * x

To get x by itself, we divide both side by 22.4.

I get 30.1kg/1m3.

Good luck,

Paul

Posted on Dec 06, 2016

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